施工缝位置对装配式框架结构抗震性能影响
引用文献：
阎西康， 郭博深 ，张佳梦， 谢函霖. 施工缝位置对装配式框架结构抗震性能影响[J]. 建筑结构，2023，48（11）：116-121.
YAN Xikang GUO Boshen ZHANG Jiameng XIE Hanlin. Influence of construction joint position on seismic performance of prefabricated frame structure[J]. Building Structure，2023,48（11）：116-121.
摘要：在装配式混凝土梁柱框架节点抗震性能试验基础之上，通过ABAQUS有限元软件创建了边节点试件模型，设计制作了8个试件，以模拟施工缝的不同留设位置。在柱顶轴向力一定的情况下，水平方向施加循环往复荷载，通过模拟结果与试验结果的对比，分析得到了该试件的破坏形式、荷载-位移滞回曲线、骨架曲线、刚度退化曲线及其延性性能。结果表明：施工缝留设位置在梁端至梁跨1/4区域时，试件的承载能力较差，不利于实际工程中的应用，留设位置在梁跨1/3～3/5区域时，试件的承载能力较高；施工缝留设位置在梁端1/5区域时，试件的刚度退化较快，且最终残余刚度较小；施工缝在节点核心区附近留设时，试件的整体延性较差。
关键词：施工缝；装配式框架节点；有限元分析；抗震性能；
基金：河北省自然科学基金(E2017202111)。
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[9] 建筑抗震设计规范：GB 50011—2010[S].2016年版.北京：中国建筑工业出版社，2016.
[10] LÓPEZ-BÁTIZ O.Behaviour of reinforced concrete frame structures with construction joints under lateral loads[J].Magazine of Concrete Research,1998,50(2):133-145.
[11] 王玉镯，傅传国.ABAQUS结构工程分析及实例详解[M].北京：中国建筑工业出版社，2010.
[12] 石亦平，周玉蓉.ABAQUS有限元分析实例详解[M].北京：机械工业出版社，2006.
[13] 陈远峰，王振波，杨春和.考虑施工缝影响的框架结构抗震性能试验研究[J].工业建筑，2006,36(2):28-30.
[14] 李英民，于婧，韩军，等.施工缝对框架结构抗震性能影响的数值分析[J].地震工程与工程振动，2012,32(4):152-158.
[15] 侯光荣，王绪续，吕娜娜，等.新型装配式部分型钢混凝土框架梁柱节点抗震性能试验研究[J].建筑结构，2018,48(7):27-32.
Influence of construction joint position on seismic performance of prefabricated frame structure
Abstract: Based on the seismic performance test of prefabricated concrete beam-column frame joints, the edge joint specimen model was created by ABAQUS finite element software, and eight specimens were designed to simulate the different positions of construction joints. Under the condition of certain axial force, cyclic load was applied in horizontal direction. By comparing the simulation results with the experimental results, the failure mode, load-displacement hysteresis curve, skeleton curve, stiffness degradation curve and ductility of the specimen were obtained. The results show that: When the construction joint is located in the quarter area from the beam end to the beam span, the bearing capacity of the specimens is poor, which is not conducive to the application in practical engineering. When the position is 1/3～3/5 of the beam span, the bearing capacity of the specimen is higher. When the construction joint is reserved in the 1/5 area of the beam span, the stiffness degradation of the specimen is fast, and the final residual stiffness is small. When the construction joint is set near the core area of the joint, the overall ductility of the specimen is poor.
Keywords: construction joint; fabricated frame joint; finite element analysis; seismic performance
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